Yueqing Changle Valve Co.,Ltd China Marine Machinery Standardization Technical Committee Communications members, Corresponding Member of the National valves Standardization Technical Committee, a member of the Economic and Technical Cooperation Network of China Shipbuilding Industry units Machinery Industry Science and Technology Information Network of the valve member units, the unit of Quality and Technical Supervision Association of Wenzhou, Wenzhou City Valve Industry member of the Association, the the Yueqing City Chamber of Commerce governing units.

The Company located in the port of Wenzhou Huang Hua Zhanglin East Industrial Zone, north of the famous Yandang Scenic closely follows China Electric Capital Liushi, south Oujiang Qiligang million tons of terminals from the Wenzhou airport 36 km west Yueqing Whitehead train stations, sea and air transportation is very convenient. The company was founded in 1982, specializing in the production of marine valves, industrial valves and accessories products, is one of the professional production valve manufacturers in southern Zhejiang, the new plant covers an area of 6,000 square meters, beautiful environment. The company has all kinds of production equipment, strong technical force, advanced technology, tooling. The plot has more than 30 years of production management and practical experience, strict quality assurance system, improve the quality of testing means. "Long - production music" brand valves are used International GB, the department standard CB, foreign trade standards CBM, the Japanese standard JIS, and other technical documents and unified blueprints.

The company has passed the inspection audit certification varieties has reached more than 300 series and 3000 specifications. "Long Music" brand marine valve products ZC Type Approval by National Ship Inspection Bureau, China Classification Society CCS type certification, and GB/T9001-2000, IS09001: 2000 quality system certification. April 2003 ZC of Wenzhou test at "talk about credibility, heavy quality" Honor. 2004 title of quality products in Zhejiang Province, Wenzhou valve industry, excellent product certificate in 2004. November 2010 Chairman Ni Jierong entrepreneurs was named outstanding private enterprises in China. Over the years, the company advanced production management and strict quality requirements, the products are sold throughout the country, has won the trust and praise of the majority of users.

Over the years the company has been synchronized to the Quality of Life, innovation, service standard, strength, professionalism, integrity and reasonable price, quality assurance, to meet the majority of users, welcome new and old customers to visit and guidance, to discuss cooperation achieve mutual benefit and win-win situation, common in hand to create brilliant!